LEDEEN SEF Smart electric fail-safe actuator and control systems
The Cameron portfolio of LEDEEN* actuators includes a new compact, modular, onboard hydraulic power unit (HPU). This new technology is operated by an advanced controller module combined with a reliable hydraulic actuator to fulfill all valve control requirements and increase performance. APPLICATIONS Emergency shutdown Partial stroke testing BENEFITS Ease of use with electrical control Convenience with hydraulic power Reliability through spring fail-safe design Compact footprint Flexibility through modular block Manifold control block FEATURES Basic and advanced diagnostics Data logging and remote alarms Wireless, Bluetooth, and full-rate protocol coverage Local and remote control Electric motor Valve position monitor Spring return actuator Electrohydraulic HPU oil tank Hydraulic actuator AUMATIC electronic controller 2
Design Each component of the LEDEEN SEF* smart electric fail-safe actuator and control system features a detailed, optimized design. HPU Hydraulic piston pump reliability, high performance, and an extended temperature range while meeting all stroking time requirements Electric motor S1 (heavy, continuous-duty) service, AC supply, low power consumption, and flameproof certification to Ingress Protection (IP) IP54 T4 as standard Oil tank American Iron and Steel Institute (AISI) 316 steel with level switch as standard, and availability in several sizes to fit full actuator range Manifold control block High-corrosion-resistance AISI 316 steel plate available; aluminum standard Multiple functions speed adjustment, pressure relief, directional control, manual override, and pressure monitoring (switch and transmitter) Modular, flexible interface that can suit subbase, cartridge, and fitting connection valves Hydraulic power unit (HPU). AUMATIC electronic controller Explosion-proof design to AUMA ACExC 01.2 Continuous monitoring and advanced diagnostics for all critical parameters to extend service life Self-adapting control functions, configurable interface, and extensive variables programming Multiple host integration options GSD Software, electronic device description (EDD), and device type manager (DTM) Seamless integration into master station network systems Full communication range FOUNDATION fieldbus, highway addressable remote transducer (HART), PROFIBUS decentralized peripheral (DP), and Modbus User-friendly interface with large graphic display for perfoming menu-conotrolled programming; availability in more than 30 languages Wireless and Bluetooth connections Password protection and padlockable switch available to prevent unauthorized tampering Manifold control block. AUMATIC electronic controller. Hydraulic actuator Reliable and robust scotch yoke drive Fail-safe application Spring-return and double-acting options Torque outputs up to 472,000 ft.lbf [640,000 N.m] High fluid compatibility and extended temperature range Spring-return actuator. Valve position monitor Flexibility to suit the preferred microswitch housing vendor and model Full-type position feedback available visual, digital, and analog Worldwide hazardous-area certifications Double-acting actuator. 3
Configurations Standard configuration Free-standing HPU piston pump, electric motor, and oil tank Optional level switch, safety valve, and pressure sensor M Fail-safe configuration Onboard HPU piston pump, electric motor, oil tank with level switch, safety valve, and pressure sensor AUMATIC electronic controller connected to a solenoid valve for remote operation Design that is completed with manual pump, speed adjustment, and optional valve monitoring OPEN M 4
Configurations Double-acting fail-last configuration Onboard HPU piston pump, electric motor, oil tank with level switch, safety valve, and pressure sensor AUMATIC electronic controller connected to a solenoid valve for remote operation Design that is completed with manual pump, speed adjustment, and optional valve monitoring OPEN M Customized control panel configuration Onboard HPU piston pump, electric motor, oil tank with level switch, safety valve, and pressure sensor AUMATIC electronic controller connected to a customized control panel Maximum flexibility of grantable functionalities and performances OPEN Control panel M 5
Configurations Freestanding configuration Inclusion of freestanding HPU, AUMATIC electronic controller, and control manifold Combinability with accumulator rack sized to meet demanding torques and speeds 6 Specifications Temperature range, degf [degc] Standard 22 to 140 [ 30 to 60] With internal heating system for control unit 76 to 140 [ 60 to 60] Maximum operating pressure, psi [bar] 3,000 [207] Maximum torque, ft.lbf [N.m] 472,000 [640,000] Input power Multiple AC three-phase 380 V to 550 V AC available Maximum power consumption, kw 1.5 (low power consumption available for applications powered by solar panels) Flow rate, galus/min [L/min] 0.92 [3.5] Hazardous area certification Flameproof; explosion proof; nonincendive; intrinsically safe Certifications International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres (IECEx) ATEX FM Approvals Underwriters Laboratories (UL) Canadian Standards Association (CSA) International EurAsian Conformity (EAC) National Institute of Metrology, Standardization, and Industrial Quality (INMETRO) Korea Occupational Safety and Health Agency (KOSHA) National Supervision and Inspection Center for Explosion Protection and Safety of Instrumentation (NEPSI) Functional safety Safety integrity level (SIL) 3 in accordance with IEC 61508 IP rating IP54 IP68 Mounting Vertical and horizontal layouts
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